[USN-7615-1] ClamAV vulnerabilities

[noreply+usn-bot at canonical.com]

==========================================================================
Ubuntu Security Notice USN-7615-1
July 02, 2025

clamav vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in ClamAV.

Software Description:
- clamav: Anti-virus utility for Unix

Details:

It was discovered that ClamAV incorrectly handled scanning UDF files. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2025-20234)

It was discovered that ClamAV incorrectly handled scanning PDF files. A
remote attacker could use this issue to cause ClamAV to crash, resulting
in a denial of service, or possibly execute arbitrary code.
(CVE-2025-20260)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
  clamav                          1.4.3+dfsg-0ubuntu0.25.04.1

Ubuntu 24.10
  clamav                          1.4.3+dfsg-0ubuntu0.24.10.1

Ubuntu 24.04 LTS
  clamav                          1.4.3+dfsg-0ubuntu0.24.04.1

Ubuntu 22.04 LTS
  clamav                          1.4.3+dfsg-0ubuntu0.22.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
  https://ubuntu.com/security/notices/USN-7615-1
  CVE-2025-20234, CVE-2025-20260

Package Information:
  https://launchpad.net/ubuntu/+source/clamav/1.4.3+dfsg-0ubuntu0.25.04.1
  https://launchpad.net/ubuntu/+source/clamav/1.4.3+dfsg-0ubuntu0.24.10.1
  https://launchpad.net/ubuntu/+source/clamav/1.4.3+dfsg-0ubuntu0.24.04.1
  https://launchpad.net/ubuntu/+source/clamav/1.4.3+dfsg-0ubuntu0.22.04.1
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